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Specifications (4) ms- _0000,2 advanced structural ■ FORENSICS ■ consultants I engineers I experts ■ RECEIVED JAN 14 2019 CITY OF TIGARD STRUCTURAL CALCULATIONS 31111..00w-) DIVISION SHELDON DETERIORATION REPAIR 12932 SW Sevilla Avenue OFFICE COPY Portland, Oregon Date: January 11, 201i Client: Dan Sheldon Claim #: N/A ASF #: 18RR-05 < 1 t PRop4,, C' GENP,' r0 OiL IEXPIRES: t2////,90 LIMITATIONS Advanced Structural Forensics (ASF) was retained in a limited capacity for this project. No responsibility and/or liability is assumed by or is to be assigned to ASF for items or scope of work beyond that shown on these sheets advanced structural ■ Sheldon Deterioration Repair F O R ^ N S I CA`J ■ • 12932 SW Sevilla Avenue II_- Portland, Oregon ■ Calc Sheet S1 of 3 consultants I engineers I experts PROJECT NARRATIVE IN—KIND STRUCTURAL REPAIRS TO EXISTING SINGLE—FAMILY RESIDENCE DAMAGED BY DETERIORATED FLOOR SHEATHING AND GROUND FLOOR FRAMING IN MASTER BATHROOM. UNLESS OTHERWISE NOTED OR DETAILED, WATER/MOLD REMEDIATION, CLADDING, WATERPROOFING, FLASHING, ARCHITECTURAL, INTERIOR FINISHES, MECHANICAL, ELECTRICAL, AND PLUMBING DESIGNED AND DETAILED BY OTHERS. DESIGN CRITERIA 1, BUILDING CODE: 2017 OREGON RESIDENTIAL SPECIALTY CODE 2. DEAD LOADS: SELF WEIGHT OF STRUCTURE 3. SNOW LOAD: 25—PSF 4. FLOOR LOAD: 40—PSF 5. WIND DESIGN DATA: NOT APPLICABLE 6, EARTHQUAKE DESIGN DATA: NOT APPLICABLE APPROXIMATE LOCATION OF PROPERTY LINES. NO PROPOSED RESIDENTIAL ADDITIONS OR PROPERTY LINE ALTERATIONSLIJ . z RESIDENCE Z J _J >-F I- Er Er WW d a 0 ___________ 0 cc cL a \, %.,,,i.:. PROPERTY LINE \\... APPROXIMATE LOCATION OF FLOOR FRAMING REPAIRS WITHIN MASTER BATHROOM. SEE SHEET S2, NO PROPOSED RESIDENTIAL ADDITIONS OR ALTERATIONS ko@asf.expert 1500 NW Bethany Blvd, Ste 200, Beaverton, Oregon 97006 (971) 645-7559 advanced structural ■ Sheldon Deterioration Repair FORENSICS ■ 12932 SW Sevilla Avenue Portland, Oregon `. Calc Sheet S2 of 3 consultants I engineers I experts I I KEYNOTES: t { — — — — }— -i 0 PRESSURE-TREATED 4x8 LEDGER. SEE I II II DETAIL 2/S3 FOR ANCHORAGE TO I (E) CONCRETE FOUNDATION WALL. (E) 4x8 FLR BEAM II I I 2 PRESSURE-TREATED 2x4 USE} MASTER BEDROOM AT 32"o.c. (±) w/ Q (FLATI 4x POST AND FOOTING SPANNING BETWEEN LEDGERS w/ TYPICAL UNLESS II ISIMPSON Z2 CLIP EACH END. SEE NOTED OTHERWISE. 1I DETAIL 2/S3. REPLACEMENT FLOOR II I REMOVE ALL DETERIORATED OSB WALL FRAMING SHOWN w/ 11 I 1, 4x8 FLOOR FRAMING AS SHOWN TO SHEATHING. REPLACE w/PLYWOOD DOT-HATCH. 11 I PROVIDE SUPPORT FOR (E) FLOOR (THICKNESS TO MATCH EXISTING). SHEATHING/WALL AND REPLACEMENT NAIL w/8d04"o.c, ALL PANEL EDGES, • I • ) i fl I - ', , , ( - , ', I I FLOOR SHEATHING AT DBL SINK AREA. I 12"o.c. FIELD. REMOVE AND REINSTALL '.J.I'� _. ' \.,-2 I CONNECT 4x5's w/ SIMPSON A35Z I WINDOW AS REM) TO REPLACE I' ( EACH SIDE AND EACH END AS SHOWN. 1 DETERIORATED WALL SHEATHING. SEE DETAIL 1/S4. I RE-FLASH PER ORSC AND WINDOW New Post & ooti rig, I I ® 4x8 SISTERED TO (E) 4x8 AS SHOWN MEG INSTALLATION REQUIREMENTS, See Calc Sh et J .. E I TO PROVIDE SUPPORT FOR (E) FLOOR ! I I SHEATHING. SEE DETAIL 2/S4 -(E) BATHROOM LAYOUT SHOWN. REMOVE AND V I Q PRESSURE-TREATED 2x6 MUDSILL REPLACE TO MATCH © I PLATE SPANNING OVER (E) FON WALL (E) CONDITION, I� _::--,.: --7 , p -F. BLOCKOUT FOR FURNACE. SEE I 1 : ri: 'rrrrrrr rr:r:.:• I DETAIL 3/S4. - •H••••r• I © 12" SQUARE z 8" DEEP CONCRETE FOOTING (UNREINFORCED) w/ C • •"V,:::::•' I PRESSURE-TREATED 4x4 POST. j .••...••.••,•. � ;� L ;'•• }:; ‘•••" SEE DETAIL 1/53. DASHED LINE DENOTES I f Q7 NAIL (E) FLOOR SHEATHING TO .,.•,.,,••:•.••:..•.•.•...•......;::.•:.•::•..' GROUND FLOOR WALL ¢ © ••• • • • • • a (E) 4x8 BEAM w/ tOd NAILS ®6"o.c. ........ . ABOVE. r.. . .. . . ... 'x _ . _ - w ,• 08 4x8 BELOW(E} WALL. SEE !rr .. -•----T L .{.....:: ..:r r.�.'. .....:..>. :, DETAIL 4/Sa. :^tt.: :..L7:::::.:+':•:.:'!.'t.i'. \ J,;.Yt.'.:'f.:'.�.•:.•f:f.C1:•..•••...•I:.Cf.':.':.':;..OWER' -4::•••••••••• ....................................... ••:•:•:•:•:•:•1 1' 0 6 . I ( ; (1:tr.•r.•a:I-: 'rr.•,:. r::.::• .ti..:..: E C'r..:::: ;.:.•.{•rrtr':.'r.'r.'..'r.{�.'.ii'r.'..'irrr.':.•:r REMOVE & -, ',J1Y"..;.; .,L',; ;:::....i) or is:......:.::::::::::::::::::::.:::.�:.C::::::".:.I REPLACE WALL AS REQUIRED , .a..,�.r }; . n i..�.'L.... I ti LAUNDRY .........:::.tr::::::.:':M!lnr "44' FOR CONT •• FLR SHEATHING .... .............................. ...... ............................... :: :.a o w........ ........: ..........�WALK-IN CLOSET......... REMOVE & •"o:::: •• ••••••••: REPLACE •.'w:::'°o%„w::.i.:::..:..::::.:. 'l (E)FLOOR .{:•:.'.:W.... ...... SHEATHING AT .......................................... — — — — GARAGE . Z SHEET SIB • (E) FON ... •:�( o Z FOR GLUE & BLOCK-OUT •^`. .::. ......... •:...::.•:.:. - i w GARAGE ............................. NAIL REQS. AT FURNACE 0 v --II I ®GROUND FLOOR FRAMING R1,.-AIR PLAN ®GROUND FLOOR REPAIR PLAN ff,e) Z 1/4" = 1'-0" 1/4" = 1•-0" Replacement Floor Beam to Match Existing. See Calc Sheet S3 ko@asf.expert 1500 NW Bethany Blvd, Ste 200, Beaverton, Oregon 97006 (971) 645-7559 advanced structural ■ Sheldon Deterioration Repair FORENSICS ■ 12932 SW Sevilla Avenue Portland, Oregon consultants I engineers I experts II Calc Sheet S3 of 3 Simple span = worst case deflection, shear, bending. 4x8 DFL#2 Floor Beam 15 psf 2.66666667 ft trib area/spacing DL 40 psf 2.66666667 ft Crib area/spacing LL Member Length 10 ft 0 psf 0 ft trib area/spacing SL Uniform Load 0.147 kips/ft Mmax 1.83 ft-kips fb= 0.72 ksi Vmax 0.73 kips fv= 0.043 ksi b h Deflection= 0.19 L/ 647 OK,L/180 max 3.5 7.25 Fv= 0.18 ksi S= 30.7 in3 Fb= 0.9 ksi A= 25.4 in2 Cf= 1 1= 111.1 in4 Cd= 1 E= 1600 ksi Cr= 1 Cm= 1 Fb'= 0.90 ksi OK Fv'= 0.18 ksi OK Size Footing at New Ftg Condition (unreinforced) Pmax = 55psf x 2.67-ft x 5-ft = 734Ibs Aft, = 734Ibs/ 1500psf = 0.5-sf > 1-ft square ftg OK ko@asf.expert 1500 NW Bethany Blvd, Ste 200, Beaverton, Oregon 97006 (971) 645-7559